/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/Selection/GeometrySelectionManager.h
Get the active element selection for the given Component, if it exists
true if a valid non-empty selection was returned in SelectionOut
virtual bool GetSelectionForComponent ( [UPrimitiveComponent](API\Runtime\Engine\Components\UPrimitiveComponent) * Component, [FGeometrySelection](API\Plugins\ModelingComponents\Selection\UGeometrySelectionManager\FGeometrySelecti-) & SelectionOut ) const